High solids, immersion-grade coating offering exceptional build per coat for long-term corrosion resistance. For use on the interior and exterior of steel or concrete tanks, reservoirs, pipes, valves, pumps, and equipment, as well as other steel and concrete substrates. Specially formulated to meet the latest requirements for use in potable water applications.
Certified by NSF International in accordance with NSF/ANSI/CAN Std. 61 and the extraction requirements of NSF/ANSI/CAN 600. Series 21 is qualified for interior use on tanks and reservoirs, pipes, fittings, valves and pumps. Reference Tnemec’s certified product listing at www.nsf.org for additional details. Conforms to AWWA D102 Inside Systems No. 1, 2, 5 and 6.View more product details
Product Data Sheets
Safety Data SheetsEmail this product
Unthinned: 1.14 lbs/gal solids
Thinned 10% (No. 88 Thinner): 1.79 lbs/gal solids
Number of Components
Two: Part A (epoxy) and Part B (amine)
82% ± 2.0% (mixed) †
Volatile Organic Compounds
Unthinned: 1.20 lbs/gallon (144 grams/litre)
Thinned 10% (No. 88 Thinner): 1.69 lbs/gallon (203 grams/litre) †
4.0 to 20.0 mils (100 to 510 microns). Note: Thickness requirements will vary with substrate, application method and exposure. Contact your Tnemec representative.
Steel: Self-priming, Series 1, L69, L69F, N69, N69F, 91-H²O, 94-H²O, 98-H_2_O, L140, L140F, N140, N140F, 394
Concrete: Self-priming, L69, L69F, N69, N69F, L140, L140F, N140, N140F, 215, 218.
CMU: Self-priming or Series 215
Note: The following maximum recoat times apply; itself, 30 days; Series 1, L69, N69, 91-H2O, 94-H2O, 98-H2O, L140 or N140, 9 months.
|Temperature||To Handle||To Topcoat||Potable Water Immersion|
|90°F (32°C)||2 hours||4 hours||7 days|
|75°F (24°C)||3 hours||5 hours||7 days|
|65°F (18°C)||5 hours||9 hours||8 days|
|55°F (13°C)||12 hours||18 hours||9 days|
|45°F (7°C)||20 hours||24 hours||13 days|
|40°F (4°C)||22 hours||28 hours||18 days|
|35°F (2°C)||64 hours||72 hours||30 days|
Curing time varies with surface temperature, air movement, humidity and film thickness. Note: Maximum recoat time with itself is 30 days.
1,315 mil sq ft/gal (31.5 m²/L at 25 microns). See APPLICATION for coverage rates. †
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